291402180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{1193}}^1$

素因数の和:1290

約数の個数: 144

約数和(自身を含む): 938770560

約数和(自身を除く): 647368380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 59, 60, 69, 90, 92, 115, 118, 138, 177, 180, 207, 230, 236, 276, 295, 345, 354, 414, 460, 531, 590, 690, 708, 828, 885, 1035, 1062, 1180, 1193, 1357, 1380, 1770, 2070, 2124, 2386, 2655, 2714, 3540, 3579, 4071, 4140, 4772, 5310, 5428, 5965, 6785, 7158, 8142, 10620, 10737, 11930, 12213, 13570, 14316, 16284, 17895, 20355, 21474, 23860, 24426, 27140, 27439, 35790, 40710, 42948, 48852, 53685, 54878, 61065, 70387, 71580, 81420, 82317, 107370, 109756, 122130, 137195, 140774, 164634, 211161, 214740, 244260, 246951, 274390, 281548, 329268, 351935, 411585, 422322, 493902, 548780, 633483, 703870, 823170, 844644, 987804, 1055805, 1234755, 1266966, 1407740, 1618901, 1646340, 2111610, 2469510, 2533932, 3167415, 3237802, 4223220, 4856703, 4939020, 6334830, 6475604, 8094505, 9713406, 12669660, 14570109, 16189010, 19426812, 24283515, 29140218, 32378020, 48567030, 58280436, 72850545, 97134060, 145701090, 291402180]

約数ペア:

[(1, 291402180), (2, 145701090), (3, 97134060), (4, 72850545), (5, 58280436), (6, 48567030), (9, 32378020), (10, 29140218), (12, 24283515), (15, 19426812), (18, 16189010), (20, 14570109), (23, 12669660), (30, 9713406), (36, 8094505), (45, 6475604), (46, 6334830), (59, 4939020), (60, 4856703), (69, 4223220), (90, 3237802), (92, 3167415), (115, 2533932), (118, 2469510), (138, 2111610), (177, 1646340), (180, 1618901), (207, 1407740), (230, 1266966), (236, 1234755), (276, 1055805), (295, 987804), (345, 844644), (354, 823170), (414, 703870), (460, 633483), (531, 548780), (590, 493902), (690, 422322), (708, 411585), (828, 351935), (885, 329268), (1035, 281548), (1062, 274390), (1180, 246951), (1193, 244260), (1357, 214740), (1380, 211161), (1770, 164634), (2070, 140774), (2124, 137195), (2386, 122130), (2655, 109756), (2714, 107370), (3540, 82317), (3579, 81420), (4071, 71580), (4140, 70387), (4772, 61065), (5310, 54878), (5428, 53685), (5965, 48852), (6785, 42948), (7158, 40710), (8142, 35790), (10620, 27439), (10737, 27140), (11930, 24426), (12213, 23860), (13570, 21474), (14316, 20355), (16284, 17895)]